Home / 7,351,037.20-11,018,682.60-2,800,327.60

Finding the Fourth Proportional to 7,351,037.20, 11,018,682.60 and 2,800,327.60

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Solution

The fourth proportional to 7,351,037.20, 11,018,682.60 and 2,800,327.60 is: 4,197,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351,037.20 : 11,018,682.60 = 2,800,327.60 : x
  2. Step 2: Convert to fraction form
    7,351,037.20/11,018,682.60 = 2,800,327.60/x
  3. Step 3: Cross multiply
    7,351,037.20x = 11,018,682.60 × 2,800,327.60
  4. Step 4: Simplify right side
    7,351,037.20x = 30,855,921,000,419.76
  5. Step 5: Solve for x
    x = 30,855,921,000,419.76/7,351,037.20
  6. Step 6: Final answer
    x = 4,197,492.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.